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Finding the Fourth Proportional to 430,858.86, 646,583.51 and 150,376.11

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Solution

The fourth proportional to 430,858.86, 646,583.51 and 150,376.11 is: 225,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,858.86 : 646,583.51 = 150,376.11 : x
  2. Step 2: Convert to fraction form
    430,858.86/646,583.51 = 150,376.11/x
  3. Step 3: Cross multiply
    430,858.86x = 646,583.51 × 150,376.11
  4. Step 4: Simplify right side
    430,858.86x = 97,230,713,023.95
  5. Step 5: Solve for x
    x = 97,230,713,023.95/430,858.86
  6. Step 6: Final answer
    x = 225,667.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.